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The superluminous supernova SN 2017egm was discovered by ESA’Gaia mission on May 23, 2017; it exploded in a massive barred spiral galaxy known as NGC 3191, shown on the left before the eruption; the image at right, taken on July 1, 2017, shows the supernova outshining the entire galaxy. Image credit: SDSS / PS1 / NOT+ALFSOC / Bose et al.

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Fermi Identifies Hidden Engine behind Superluminous Supernovae

May 20, 2026

New gamma-ray observations from NASA’s Fermi Space Telescope suggest ultra-magnetic neutron stars called magnetars could be fueling superluminous…

Webb’s mid-infrared image shows four coiled shells of dust around a pair of Wolf-Rayet stars known as Apep. Image credit: NASA / ESA / CSA / STScI / Yinuo Han, Caltech / Ryan White, Macquarie University / Alyssa Pagan, STScI.

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Webb Spots Four Distinct Dust Shells around Two Wolf-Rayet Stars

November 21, 2025

Using the NASA/ESA/CSA James Webb Space Telescope with data from ESO’s Very Large Telescope (VLT), two team of…